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VOL XXVIII, NO 244

Belzona® Repairs And Protects Tapered Shaft

 
 

Industry:

Mining and Quarrying (MINQ)

 
 

Application:

Mechanical Power Transmission (MPT)

 
 

Customer Location:

Kettle Falls, WA, USA

 
 

Application Date:

1984

 
 

Application Situation:

Bull dozer final drive shaft.

 
 

Problem:

The tapered final drive shaft keyway was worn oversize and the shaft was worn down.

 
 

Products:

Belzona 1111 (Super Metal)

Belzona 9411 (Release Agent)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet MPT-4. The keyway and tapered shaft was ground to roughen the surface. Belzona 9411 was applied to the new key and the new hub. Belzona 1111 was applied and the hub was mounted in place to center the key. The excess of Belzona 1111 was removed. After the cure, the machine was reassembled.

 
 

Belzona Facts:

Replacing the shaft would require complete disassembly. A new shaft was not available.

 
 

Photographs Description

  1. Tapered drive shaft showing wear on the keyway
  2. Shaft and keyway prepared and Belzona 1111 applied
  3. New tapered hub in place centering the key
  4. Bull dozer partially disassembled
 
 
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For more information about Belzona visit: www.belzona.com